Harman Kardon Go + Play 3 vs JBL Xtreme 5

Last updated: October 11, 2026

These are not really the same size class, and that is the honest framing here. The Harman Kardon Go + Play 3 ranks #3 of 98 boombox speakers by sound quality at $385; the JBL Xtreme 5 ranks #2 of 105 large speakers by sound quality at $399.95.

Harman Kardon Go + Play 3 vs JBL Xtreme 5

What the Harman Kardon Go + Play 3 does well: Warm sound with boosted bass. It keeps a wired aux input, which the JBL Xtreme 5 lacks. Watch for: Just a little over half as loud as the higher rated boomboxes.

The JBL Xtreme 5 is the louder, longer-running choice. Removable battery. Alan Ross Reviews measured it at 110dB at full volume, against 103dB for the Harman Kardon Go + Play 3. It is rated for 28 hours of battery against 8 for the Harman Kardon Go + Play 3. At 6.4 lbs (2.9 kg) it weighs much less than the Harman Kardon Go + Play 3 at 10.4 lbs (4.7 kg). The catch: High priced.

Buy the Harman Kardon Go + Play 3 ($385) for a boombox speaker; the JBL Xtreme 5 ($399.95) suits a large speaker instead.

If water resistance matters to you, the JBL Xtreme 5 at IP68 (extended submersion) holds up far better than the Harman Kardon Go + Play 3 at no water resistance.

Still deciding? The full Portable Bluetooth rankings cover every ranked option.

Check Harman Kardon Go + Play 3 price at Amazon ($385) →Check JBL Xtreme 5 price at Amazon ($399.95) →

Specifications Side By Side

Harman Kardon Go + Play 3 JBL Xtreme 5
Price$385$399.95
Ranked#3 of 98 in Boombox Size Portable Bluetooth Speakers#2 of 105 in Large Size Portable Bluetooth Speakers
AppYes (Harman Kardon One app)Yes
Aux Latency112ms-
Bass Extension (-10dB)35Hz-
Battery Life8 hours (Manufacturer specified)28 hours (Manufacturer specified)
Built-in MicrophoneYesNo
EQYes (App EQ)Yes (7 band)
IP RatingNoneIP68
Bluetooth Latency120ms-
Maximum SPL103dB (measured by Alan Ross Reviews)110dB (measured by Alan Ross Reviews)
Power InputAC Power brickUSB-C
StereoYesPartially (1 woofer)
OmnidirectionalNoNo
TWSYesYes
Weight10.4 lbs (4.7 kg)6.4 lbs (2.9 kg)
BluetoothYesYes
Bluetooth CodecsSBC, AACSBC, AAC, LC3
Power BankYesYes (USB-C, 5V/3A)
Party ModeNoYes (Auracast)
USB PlaybackNo-
Bluetooth Version5.26.0
Amplifier Power160W RMS1 x 90W RMS Woofer + 2 x 20W RMS Tweeter (AC power mode) 1 x 60W RMS Woofer + 2 x 15W RMS Tweeter (Battery mode)
Dimensions17.3” x 9.4” x 7.6” (439 x 240 x 192 mm)13.6” x 6.5” x 6.1” (346 x 165 x 155 mm)
Aux InputYesNo
Drivers1x 130mm (5”) subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters98x145mm woofer, 2x 20mm tweeters + 2x passive radiators
Digital Aux InputNoYes (USB-C)
StrapNoYes (detachable shoulder strap)
Removable Battery-Yes
Frequency Response-40Hz - 20kHz (Manufacturer specified)
Check Harman Kardon Go + Play 3 price at Amazon ($385) →Check JBL Xtreme 5 price at Amazon ($399.95) →

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Prices on this page were last checked October 11, 2026 at 4:59 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Harman Kardon Go + Play 3: $385 Amazon $385 eBay

Harman Kardon Go + Play 3 ranking card

Older model: the Harman Kardon Go + Play 2 (ranked lower, rated 3.9/5). See every Harman Kardon Go + Play generation.

Pros: Warm sound with boosted bass. Deepest bass out of any speaker in this size. Sound is more natural than the Harman Kardon Go + Play 2. An aux input, a built-in microphone, a power bank function, stereo pairing and hidden button combinations for adjusting bass and treble. Measured bass extension of 35Hz (-10dB).

Cons: Just a little over half as loud as the higher rated boomboxes. Only 8 hours of battery at medium volume. No water rating.

Setup: Use the hidden EQ modes to adjust the bass up when outside and down when inside. To adjust bass, quickly press the bluetooth and volume down buttons together, the number of light flashes tell you what mode you’re in. To adjust treble, quickly press the volume up and phone buttons at the same time, the number of yellow flashes on the light tell you what mode you are in.

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Full Harman Kardon Go + Play 3 review and specifications →

ReleasedJul 2023 (3 years ago)
Amplifier Power160W RMS
AppYes (Harman Kardon One app)
Aux InputYes
Aux Latency112ms
Bass Extension (-10dB)35Hz
Battery Life8 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC
Bluetooth Latency120ms
Bluetooth Version5.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions17.3” x 9.4” x 7.6” (439 x 240 x 192 mm)
Drivers1x 130mm (5”) subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters
EQYes (App EQ)
IP RatingNone
Maximum SPL103dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeNo
Power BankYes
Power InputAC Power brick
StereoYes
StrapNo
TWSYes
USB PlaybackNo
Weight10.4 lbs (4.7 kg)
Check current price at Amazon ($385) →Search eBay for Harman Kardon Go + Play 3 →

JBL Xtreme 5: $399.95 Amazon $399.95 B&H Photo Video eBay

JBL Xtreme 5 ranking card

Older models: the JBL Xtreme 3 (ranked lower, rated 4.3/5), the JBL Xtreme 4 (ranked lower, rated 3.8/5), the JBL Xtreme 2 (ranked lower, rated 3.4/5) and the JBL Xtreme (ranked lower, rated 3.2/5). See every JBL Xtreme generation.

Pros: Removable battery. Quite deep bass, reaching well below 40Hz. A fantastic sounding speaker with excellent off-axis dispersion, a big step up from older JBL portables. Beats the Soundcore Boom 2 and Tribit Stormbox Blast on bass depth and clarity. Plays clean at volume, unlike the JBL Boombox 4.

Cons: High priced. Some bass boost. A hole in the mid-upper bass which can’t be EQ’d out. Default EQ presets are weak (Signature is boring, Chill and Vocal are close to unusable): needs the custom EQ to sound its best. Bigger and heavier than the JBL Xtreme 4.

Setup: Try this Oluv EQ for the most neutral sound

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Full JBL Xtreme 5 review and specifications →

ReleasedApr 2026 (6 months ago)
Amplifier Power1 x 90W RMS Woofer + 2 x 20W RMS Tweeter (AC power mode) 1 x 60W RMS Woofer + 2 x 15W RMS Tweeter (Battery mode)
AppYes
Aux InputNo
Battery Life28 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC, LC3
Bluetooth Version6.0
Built-in MicrophoneNo
Digital Aux InputYes (USB-C)
Dimensions13.6” x 6.5” x 6.1” (346 x 165 x 155 mm)
Drivers98x145mm woofer, 2x 20mm tweeters + 2x passive radiators
EQYes (7 band)
Frequency Response40Hz - 20kHz (Manufacturer specified)
IP RatingIP68
Maximum SPL110dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeYes (Auracast)
Power BankYes (USB-C, 5V/3A)
Power InputUSB-C
Removable BatteryYes
StereoPartially (1 woofer)
StrapYes (detachable shoulder strap)
TWSYes
Weight6.4 lbs (2.9 kg)
Check current price at Amazon ($399.95) →Check current price at B&H Photo Video →Search eBay for JBL Xtreme 5 →